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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 01582500 GUNPOWDER FALLS AT GLENCOE, MD


Baltimore County, Maryland
Hydrologic Unit Code 02060003
Latitude  39°32'58.9", Longitude  76°38'10.0" NAD83
Drainage area 160  square miles
Gage datum 244.13 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1977-10-01 -> 2024-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 204 229 237 295 285 222 175 209 158 199 196 198
2 217 216 266 307 247 227 165 204 155 178 165 190
3 209 228 244 295 238 215 170 180 143 165 169 191
4 190 249 247 276 246 230 169 194 141 149 152 184
5 183 249 272 279 258 223 165 171 144 152 152 227
6 181 253 250 272 313 216 168 176 257 151 158 201
7 186 248 233 259 279 209 223 172 253 149 151 190
8 204 221 232 254 263 199 214 169 291 177 175 188
9 216 207 245 256 254 198 173 159 215 151 161 200
10 213 205 276 262 242 200 159 157 188 176 167 193
11 217 214 298 248 251 201 157 157 185 192 166 228
12 225 259 265 244 257 201 165 157 172 179 172 213
13 211 233 261 264 253 214 180 183 169 164 171 221
14 216 228 283 250 245 205 169 158 150 164 162 227
15 210 220 269 285 242 194 164 157 146 165 154 209
16 212 223 257 309 271 176 157 158 160 156 207 233
17 209 216 245 287 265 184 159 156 154 153 181 228
18 241 216 240 253 247 184 161 148 180 159 162 225
19 265 206 243 243 259 196 157 147 153 176 159 193
20 273 215 244 250 245 196 159 144 153 166 166 187
21 286 234 285 240 236 191 157 135 151 174 160 212
22 225 259 307 251 231 182 165 146 178 149 164 203
23 216 289 270 255 231 179 179 136 198 156 197 222
24 311 288 298 244 251 188 232 137 162 163 176 217
25 292 320 273 234 235 179 232 134 165 151 186 252
26 294 307 265 232 239 185 213 137 160 143 180 231
27 240 238 267 253 228 185 177 142 177 165 179 213
28 248 234 274 244 224 186 173 175 204 183 238 218
29 215 234 310 235 232 179 172 182 187 215 214 205
30 214   312 281 225 166 180 148 180 262 199 192
31 271   297   215   171 138   188   187